/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

* Asynchronously adds an event to the events list

*

*/

package com.nokia.tracebuilder.eventhandler;

import com.nokia.trace.eventrouter.TraceEvent;

import com.nokia.trace.eventview.EventListEntry;

import com.nokia.trace.eventview.TraceEventList;

import com.nokia.tracebuilder.engine.TraceLocation;

import com.nokia.tracebuilder.model.TraceObject;

import com.nokia.tracebuilder.source.SourceLocation;

/**

 * Asynchronously adds an event to the events list

 * 

 */

final class EventAdder implements Runnable {

	/**

	 * Event to be added

	 */

	private TraceEvent event;

	/**

	 * The event list

	 */

	private TraceEventList eventList;

	/**

	 * Constructor

	 * 

	 * @param eventList

	 *            the event list

	 * @param event

	 *            the event to be added

	 */

	EventAdder(TraceEventList eventList, TraceEvent event) {

		this.event = event;

		this.eventList = eventList;

		Object o = event.getSource();

		// Adds a reference so the location does not get removed from the source

		if (o instanceof SourceLocation) {

			((SourceLocation) o).reference();

		}

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see java.lang.Runnable#run()

	 */

	public void run() {

		Object o = event.getSource();

		EventListEntry entry = null;

		if (o instanceof TraceLocation) {

			// Location delete flag needs to be checked, since this is

			// called asynchronously. The location might have been deleted

			TraceLocation location = (TraceLocation) o;

			if (!location.isDeleted()) {

				entry = new EventListEntryTraceLocation(event.getType(), event

						.getDescription(), eventList, location);

			}

		} else if (o instanceof TraceObject) {

			TraceObject object = (TraceObject) o;

			entry = new EventListEntryTraceObject(event.getType(), event

					.getDescription(), object);

		} else if (o instanceof SourceLocation) {

			SourceLocation location = (SourceLocation) o;

			if (!location.isDeleted()) {

				entry = new EventListEntrySourceLocation(event.getType(), event

						.getDescription(), eventList, location);

			}

		}

		if (entry != null) {

			entry.setCategory(event.getCategory());

			eventList.addEntry(entry);

		}

	}

}